Execution date sought for convicted Ohio prison riot killer

A prosecutor has asked the Ohio Supreme Court to set an execution date for an inmate sentenced to die in the slayings of five fellow inmates during a 1993 prison riot in Ohio.Forty-nine-year-old Keith LaMar was convicted of aggravated murder in 1995 for the deaths of five inmates during an uprising at the Southern Ohio Correctional Institution at Lucasville. He received the death penalty for four of the five killings.Mark Piepmeier is a Hamilton County prosecutor serving as special prosecutor fo